From dfb9ac7baffb8f4eb3fc4ce39fb6d3f2965c7620 Mon Sep 17 00:00:00 2001
From: Gabriel Francisco <frc.gabriel@gmail.com>
Date: Fri, 27 Nov 2020 17:58:48 +0000
Subject: [PATCH] add fs.aio-max-nr into sysctl.d

---
 debian/control            | 3 ++-
 debian/mars-dkms.postinst | 2 ++
 debian/mars-dkms.sysctl   | 2 ++
 debian/rules              | 1 +
 4 files changed, 7 insertions(+), 1 deletion(-)
 create mode 100644 debian/mars-dkms.sysctl

diff --git a/debian/control b/debian/control
index baa593fa..f5eb84ee 100644
--- a/debian/control
+++ b/debian/control
@@ -10,7 +10,8 @@ Homepage: http://schoebel.github.io/mars/
 
 Package: mars-dkms
 Architecture: any
-Depends: ${misc:Depends}, ${perl:Depends}
+Depends: ${misc:Depends}, ${perl:Depends}, procps
+Recommends: mars-tools
 Description: mars kernel module.
  MARS Light is a block-level storage replication solution implemented
  in the form of a Linux kernel module.
diff --git a/debian/mars-dkms.postinst b/debian/mars-dkms.postinst
index ee661d25..7c64a252 100644
--- a/debian/mars-dkms.postinst
+++ b/debian/mars-dkms.postinst
@@ -8,6 +8,8 @@ case "$1" in
     ;;
 
     configure|reconfigure)
+        # Restart procps to reload sysctl.d files
+        invoke-rc.d procps restart
         # Get the version of the current loaded module:
         old_version="$(cat /sys/module/mars/version 2>/dev/null)" || exit 0
         # Get the version of the latest available module:
diff --git a/debian/mars-dkms.sysctl b/debian/mars-dkms.sysctl
new file mode 100644
index 00000000..eee43acb
--- /dev/null
+++ b/debian/mars-dkms.sysctl
@@ -0,0 +1,2 @@
+# System wide maximum number of asynchronous input/output requests
+fs.aio-max-nr = 1048576
diff --git a/debian/rules b/debian/rules
index 737636a9..8999ddef 100755
--- a/debian/rules
+++ b/debian/rules
@@ -20,6 +20,7 @@ include /usr/share/dpkg/default.mk
 override_dh_install:
 	cp debian/mars-Makefile kernel/Makefile
 	cp debian/mars-Kbuild kernel/Kbuild
+	install -m 644 -D debian/mars-dkms.sysctl debian/mars-dkms/etc/sysctl.d/30-mars-dkms.conf
 	dh_install scripts/gen_config.pl usr/src/mars-$(DEB_VERSION_UPSTREAM)/
 	dh_install kernel/* usr/src/mars-$(DEB_VERSION_UPSTREAM)/